Episode 15 of Surovi Istanbul (locally titled Zalim İstanbul ) is a critical turning point where the long-standing secrets of the Karaçay mansion begin to unravel. Spanning approximately 2 hours and 27 minutes, this episode centers on the moral collapse of key antagonists and a shift in power dynamics as Nedim’s recovery becomes a tangible threat to those who have oppressed him. Episode 15 | Cruel Istanbul